TY - RPRT TI - High PCB residues in birds from the Sheboygan River, Wisconsin AU - Gary Heinz AU - Douglas M. Swineford AU - Dale E. Katsma PY - 1984 DO - 10.1007/bf00398784 UR - https://pubs.usgs.gov/publication/5221955 ID - 5221955 ER -